The Install Kit for the Wallas Viking, 30GB & 22GB Heaters includes the following (click on any individual item number to learn more about that accessory OR to add additional units to your cart):
 
25 3" Warm Air Ducting (#3410, Made in USA)
2 Warm Air Vents (#3411)
2 Inlet Grills (#5430, Made in USA)
1 Hull Lead-Through (#2467)
4 Feet of Exhaust Tube 28mm (#1028, Made in USA)
4 Feet of Exhaust Tube 45mm (#2045, Made in USA)
4 Feet of Exhaust Insulation 45mm (#2449, Made in USA)
1 Lead Through Kit (#367200)
1 10 Liter Tank (#2027)